Convert PNG to WebP
Convert PNG images into smaller, modern WebP files. Runs entirely in your browser, so your data never leaves your device.
Drop a file here, or click to browse
Files never leave your device
Output
The result appears here as you type.
How to use Convert PNG to WebP
- 1. Load a PNG. Drop or browse for the PNG image you want to convert. The tool decodes it fully, preserving any transparency it contains before re-encoding as WebP.
- 2. Set the Quality. Drag Quality (%) to control detail versus file size in the new WebP. Higher values suit graphics with fine text or lines, lower values suit photographic content.
- 3. Download the WebP. Download the converted file, typically smaller than the source PNG while keeping the same dimensions and transparency intact.
When to use Convert PNG to WebP
Convert PNG to WebP re-encodes a PNG image in the newer WebP format, usually shrinking the file while keeping transparency and sharp edges intact. It suits anyone moving a PNG-based asset library to a lighter modern format.
- Shrinking icon and logo assets. A design system exports every icon as PNG, and converting the set to WebP is expected to cut total asset size while keeping crisp edges on small graphics.
- Reducing bandwidth for a high-traffic page. A landing page with many PNG screenshots wants smaller file sizes to improve load time, and converting each screenshot to WebP trims bytes without visible quality loss.
- Preparing transparent graphics for a modern pipeline. An app's build pipeline now prefers WebP for all raster assets, so existing transparent PNG overlays get converted in place before the next release.
Examples
Format conversion
Input
sample.png
Output
sample.webp
About the Convert PNG to WebP tool
Convert PNG to WebP runs as plain JavaScript in your browser tab, with no server behind it. Convert PNG images into smaller, modern WebP files. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's WebP Tools section, 57 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
You can shape the output with the Quality (%) setting, and the result refreshes the moment you change it. The finished file is put together in browser memory and saved with the Download button, so it never touches a server on the way to your disk. A worked example further down the page shows exactly what the tool produces for a real input.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Is Convert PNG to WebP free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Are my files uploaded to a server?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
Which files does Convert PNG to WebP accept?
It accepts PNG images. There is no file size cap imposed by a server; very large files are limited only by your device's memory.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I save the output?
Click the Download button once the result is ready. The file is built in your browser's memory and handed straight to your downloads folder, without passing through a server.